Java tutorial
/** * The MIT License * Copyright (c) 2010 JmxTrans team * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package com.googlecode.jmxtrans.model; import com.googlecode.jmxtrans.connections.JMXConnection; import com.googlecode.jmxtrans.test.RequiresIO; import com.kaching.platform.testing.AllowDNSResolution; import org.apache.commons.pool.impl.GenericKeyedObjectPool; import org.assertj.core.util.Lists; import org.junit.Test; import org.junit.experimental.categories.Category; import org.mockito.InOrder; import javax.management.MBeanServerConnection; import javax.management.ObjectName; import java.io.IOException; import static org.assertj.core.api.Assertions.assertThat; import static org.junit.Assert.*; import static org.mockito.Mockito.*; /** * @author lanyonm */ @Category(RequiresIO.class) @AllowDNSResolution public class ServerTests { @Test public void testGetUrl() { // test with host and port Server server = Server.builder().setHost("mysys.mydomain").setPort("8004").build(); assertEquals("should be 'service:jmx:rmi:///jndi/rmi://mysys.mydomain:8004/jmxrmi'", "service:jmx:rmi:///jndi/rmi://mysys.mydomain:8004/jmxrmi", server.getUrl()); // test with url server = Server.builder().setUrl("service:jmx:remoting-jmx://mysys.mydomain:8004").build(); assertEquals("should be 'service:jmx:remoting-jmx://mysys.mydomain:8004'", "service:jmx:remoting-jmx://mysys.mydomain:8004", server.getUrl()); server = Server.builder().setUrl("service:jmx:rmi:///jndi/rmi://mysys.mydomain:8004/jmxrmi").build(); assertEquals("shold be 'service:jmx:rmi:///jndi/rmi://mysys.mydomain:8004/jmxrmi'", "service:jmx:rmi:///jndi/rmi://mysys.mydomain:8004/jmxrmi", server.getUrl()); } @Test public void testGetHostAndPortFromUrl() { Server server = Server.builder().setUrl("service:jmx:remoting-jmx://mysys.mydomain:8004").build(); assertEquals("server host should be 'mysys.mydomain'", "mysys.mydomain", server.getHost()); assertEquals("server port should be '8004'", "8004", server.getPort()); // test with a different url server = Server.builder().setUrl("service:jmx:rmi:///jndi/rmi://mysys.mydomain:8004/jmxrmi").build(); assertEquals("server host should be 'mysys.mydomain'", "mysys.mydomain", server.getHost()); assertEquals("server port should be '8004'", "8004", server.getPort()); } @Test public void testEquals() { Server s1 = Server.builder().setAlias("alias").setHost("host").setPort("8008").setCronExpression("cron") .setNumQueryThreads(123).setPassword("pass").setUsername("user").build(); Server s2 = Server.builder().setAlias("alias").setHost("host").setPort("8008").setCronExpression("cron") .setNumQueryThreads(123).setPassword("pass").setUsername("user").build(); Server s3 = Server.builder().setAlias("alias").setHost("host3").setPort("8008").setCronExpression("cron") .setNumQueryThreads(123).setPassword("pass").setUsername("user").build(); assertFalse(s1.equals(null)); assertEquals(s1, s1); assertFalse(s1.equals("hi")); assertEquals(s1, s2); assertTrue(s1.equals(s2)); assertNotEquals(s1, s3); } @Test public void testEquals_forPid() { Server s1 = Server.builder().setPid("1").build(); Server s2 = Server.builder().setPid("2").build(); Server s3 = Server.builder(s1).build(); assertEquals(s1, s3); assertNotEquals(s1, s2); } @Test public void testHashCode() { Server s1 = Server.builder().setUrl("service:jmx:remoting-jmx://mysys.mydomain:8004").build(); Server s2 = Server.builder().setUrl("service:jmx:remoting-jmx://mysys.mydomain:8004").build(); Server s3 = Server.builder().setUrl("service:jmx:remoting-jmx://mysys3.mydomain:8004").build(); assertEquals(s1.hashCode(), s2.hashCode()); assertFalse(s1.hashCode() == s3.hashCode()); } @Test public void testToString() { Server s1 = Server.builder().setPid("123").setCronExpression("cron").setNumQueryThreads(2).build(); Server s2 = Server.builder().setHost("mydomain").setPort("1234") .setUrl("service:jmx:remoting-jmx://mysys.mydomain:8004").setCronExpression("cron") .setNumQueryThreads(2).build(); assertThat(s1.toString()).contains("pid=123").contains("cronExpression=cron").contains("numQueryThreads=2"); assertThat(s2.toString()).contains("host=mydomain").contains("port=1234") .contains("url=service:jmx:remoting-jmx://mysys.mydomain:8004").contains("cronExpression=cron") .contains("numQueryThreads=2"); } @Test public void testIntegrity() { try { Server.builder().setPid("123").setUrl("aaa").build(); fail("Pid and Url should not be allowed at the same time"); } catch (IllegalArgumentException e) { } try { Server.builder().build(); fail("No Pid or Url can't work"); } catch (IllegalArgumentException e) { } } @Test public void testConnectionRepoolingOk() throws Exception { @SuppressWarnings("unchecked") GenericKeyedObjectPool<Server, JMXConnection> pool = mock(GenericKeyedObjectPool.class); Server server = Server.builder().setHost("host.example.net").setPort("4321").setLocal(true).setPool(pool) .build(); MBeanServerConnection mBeanConn = mock(MBeanServerConnection.class); JMXConnection conn = mock(JMXConnection.class); when(conn.getMBeanServerConnection()).thenReturn(mBeanConn); when(pool.borrowObject(server)).thenReturn(conn); Query query = mock(Query.class); Iterable<ObjectName> objectNames = Lists.emptyList(); when(query.queryNames(mBeanConn)).thenReturn(objectNames); server.execute(query); verify(pool, never()).invalidateObject(server, conn); InOrder orderVerifier = inOrder(pool); orderVerifier.verify(pool).borrowObject(server); orderVerifier.verify(pool).returnObject(server, conn); } @Test public void testConnectionRepoolingSkippedOnError() throws Exception { @SuppressWarnings("unchecked") GenericKeyedObjectPool<Server, JMXConnection> pool = mock(GenericKeyedObjectPool.class); Server server = Server.builder().setHost("host.example.net").setPort("4321").setLocal(true).setPool(pool) .build(); MBeanServerConnection mBeanConn = mock(MBeanServerConnection.class); JMXConnection conn = mock(JMXConnection.class); when(conn.getMBeanServerConnection()).thenReturn(mBeanConn); when(pool.borrowObject(server)).thenReturn(conn); Query query = mock(Query.class); IOException e = mock(IOException.class); when(query.queryNames(mBeanConn)).thenThrow(e); try { server.execute(query); fail("No exception got throws"); } catch (IOException e2) { if (e != e2) { fail("Wrong exception thrown (" + e + " instead of mock"); } } verify(pool, never()).returnObject(server, conn); ; InOrder orderVerifier = inOrder(pool); orderVerifier.verify(pool).borrowObject(server); orderVerifier.verify(pool).invalidateObject(server, conn); } }